+/** \brief like atoi_n but checks for proper formatting
+ \param buf buffer to read values from
+ \param size size of buffer
+ \param val value of decimal number (if successful)
+ \retval 0 no value found (non-digits found)
+ \retval 1 value found and *val holds value
+*/
+YAZ_EXPORT
+int atoi_n_check(const char *buf, int size, int *val);
+